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All Journal Journal of Information Technology and Computer Science
Maresha Caroline Wijanto
Kristen Maranatha University
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering

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Initial Suspicion on Detecting Code Plagiarism and Collusion in Academia: Case Study of Algorithm and Data Structure Courses Mewati Ayub; Oscar Karnalim; Maresha Caroline Wijanto; Risal Risal
Journal of Information Technology and Computer Science Vol. 6 No. 1: April 2021
Publisher : Faculty of Computer Science (FILKOM) Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (947.087 KB) | DOI: 10.25126/jitecs.202161274

Abstract

In engineering education, some assessments require the students to submit program code, and since that code might be a result of plagiarism or collusion, a similarity detection tool is often used to filter excessively similar programs. To improve the scalability of such a tool, it is suggested to initially suspect some programs and only compare those programs to others (instead of exhaustively compare all programs one another). This paper compares the ef-fectiveness of two common techniques to raise such initial suspicion: focusing on the submissions of smart students (as they are likely to be copied), or the submissions of slow-paced students (since those students are likely to breach academic integrity to get higher assessment mark). Our study shows that the latter statistically outperforms the former by 13% in terms of precision; slow-paced students are likely to be the perpetrators, but they fail to get the submissions of smart students.
Co-Authors Mewati Ayub Oscar Karnalim, Oscar Risal Risal